Packaged article of manufacture



Nm., 2, 1934. L.. KlRscHBR/AUN 982Q21'5 PACKAGED ARTICLE OF MANUFACTURE i Filed Aug. 4, 1952v 5 sheets-sheet 1 ATOREY Nov. 27, 1934. i l., KlRscHBRAUN 1,982,215,

PACKAGED ARTICLE OF MANUFACTURE Filed Aug. 4, 1932 l -3 sheets-sheet 2 I N VEN TOR.

105% 261% a wn)- B Mud/0m A TT ORNEY Nbv.27,1934. LlqRscHBRAUN PACKAGED lARTICLE OF MANUFACTURE l Filed Aug. 4, 1932 s sheets;shee 5 Patented Nov. 27, 1934 PATENT: OFFICE PACKAGED ARTICLE QF MANUFACTR l Lester Kirschbraun, Leonia, N. J., assignor to The Patent and Licensing Corporation,

Boston,

Mass., a corporation of Massachusetts Application August 4, 1932, Serial No. 627,431

5 Claims.

This invention relates toI fabricated roong or siding elements, and more particularly to a method for nishing such elements by sealing and in some cases, slating the cut edgesI of the material which are to be exposed to the weather when the element is laid.

thereafter coated on one or both sides vwith a layer of blown asphalt which by reasonl of its tough rubbery consistency and relatively high melting point affords a high degree of waterproof protection to the sheet. To protectl the asphalt.

coating from the action of the weather, a masking layer of comminuted material is customarily applied, the material usually employed for thisrpurpose being crushed slate, grit or other suitable granular material. This grit is applied to the asphalt coating while the latter is still hot and sticky so as to form a firm bond between the grit and the asphalt which will hold the grit firmly -in place on the surface of the sheet. 'I'he grit is at the same time rolled or otherwise pressed into intimate contact with the asphalt and the sheet is thereafter cooled, whereupon it is ready to be cut into individual elements of suitable shapes by slitting, slotting or otherwise. According to present practice, roofing elements which are thus cut from the coated and grit-covered sheet are packaged and sold in that condition as finished articles ready to be laid ony a roof. Such elements, however, by reason of their cut edges expose ends of cutiibers to the weather along the butt edges of the elements, through which moisture may be absorbed or dried out together with residual volatile constituents of the impregnatingcompcund in the sheet. These effects coupled with the action of varying temperatures andfrost cause the elements to warp and curl, and the brous base to sponge or bulk, greatly shorteningthe life of the roong. In order to prevent the access of moisture to the interior of the elements through the exposed cut edges and to'prevent the drying out of moisture and the volatile constituents in the same way, it is desirable to seal these edges with a layer of waterproof material such as as'- phalt and sometimes also to surface the edgesealing layer of asphalt with grit both to protect the asphalt on the edge from the action of light and to improve the appearance of the nished roong element. By using asphalt having a Sulliciehtly low melting point, e. s., approximately (Cl. 20S- 60) 150 F., and applying a sufliciently thick edge coating, a further advantageous effect is obtained after the roof has been laid due to the adhesion of the edge coating with the course beneath under the acticn of solar heat. It isA found that an edging of such asphalt will sag suicently to rest against the course next below and make a tighter and more weatherproof roof, but that the amount of asphalt present in such an edging will not be suicient to run down the face of'the underlying course.

In carrying out my invention, I manufacture Aroong elements in the manner described by cutt'ng them toany desired shape from the impregnated, coated and grit-covered sheet. These individual unitsare then gathered together in faceto-face relation in much the same manner as they are now collected for packaging. IPackaging boards may also be assembled with groups of the roofing elements. These groups of elements, with or without packaging boards, are then pressed tightly together either by the use of clamps or by wires, clips, or packaging 'strands of any kind. pThese package-sized groups of elements may be handled singly, or a number may be combined together in a single batch for treat-v ment. The butt edges and the surfaces of the recesses'cut into the butt edges of the shingles in each batch are then coated 'with hot asphalt having a melting point of approximately 150 F. While the asphalt is still hot and sticky, it is surfaced with grit or other suitable comminuted material. The bundles or packages may then be considered finished and may be shipped in suchl conditioni the consumer breaking apart the shingles from the package as they are used. Since the face coating of the shingles is .usually of asphalt having a melting vpoint of 220, when the shinglesl are broken away from each other, the lines of fracture will be throughthe edge coating of '150 melting point asphalt, andthe face coatings will not be broken, this effect being due to the different cohesive properties of the two kinds of asphalt.

The invention will be more completely understood by reference to the drawings, of which:-

Figures 1 and 2 are a diagrammatic side elevation of lapparatus capable of carrying out the invention.

Figure 3 is adiagrammatic view. in perspective, showing another mode of carrying out the invention.

G 'Figure 4 is a view perspective of the bundle of elements treated according to Figure 3, withl .5 ment of the bundle treatedq according to Figure 3.

Figure 7 is a fragmentary view showing the same in cross section.

Figure 8 is a fragmentary view, partly in elevation and partly in cross section, showing the shingles being treated according to Figure 3.

Figure 9 is a view similar to Figure 3, illustrating still a further mode of treating the shingles.

Figure 10 shows the bundle of elements treated according to Figure 9.

Figure 11 is a view similar to Figure 10, showing the bundle 'after the outermost elementhas been stripped therefrom, and

Figure 12 isa fragmentary view, in cross section, showing one corner of .the bundle as it appears when treated according to the methods of Figures 3 and 9.

Referring to the drawings in detail, bundles or batches of strip shingles are represented at 10, each bundle being held together by any suitable means, such as a clamp 11. Figures 1 and 2 illustrate in dotted lines successive portions assumed by the bundles 10 in progressing through the apparatus. Instead of clamps or clips 11, the bundles may beheld together by straps, wires, or any binding means, with or without thin boards on either side such as are customarily used in tion of edge-coatingy material between faces of adjacent shingles.A The use Ofpackaging boards helps to stiifen the bundle and to press ythe shingles together. The bundles 10 may be moved forwardly as by a series of driven rollers 12, from which they pass over a similar series of rollers 13 which are arranged to dip into a pool 14 of molten asphalt or'other suitable waterproofing material .contained in a suitable receptacle 15. The rollers l'13 pick up a quantity of the coating material 14 on-their'peripheral surfaces and deposit the same on the butt edges of the lshingles which pass thereover, the bundles of shingles being placed .'upon the rolls with butt'edges' down. The rolls 13 are also preferably driven in order to cause the bundle 10 to advance thereover. At one or more points between the ends of the receptacle 15, I provide a nozzle orseries of nozzles 16, through which molten asphalt or other liquid waterproofing material is forced under pressure, so that jets of the coating material are thereby projected up- *wardly against the butt edges of the shingles and into the recesses 17 which. may be cut in the shin-V gles to extend upwardly from the butt edgesv 4thereof in order to define shingle-simulating'tabs. Thus all the cut edges'of the exposed portion of each shingle, including the butt edges andedges of the cut-outs, are thoroughly coated with waterproofing material. The nozzles are preferably disposed so that the jets therefrom will not play s on the faces of the outer'shlngles of the bundles A70 'passing ther'eover. Soalso the` outer faces of the ;boards, if used, will not be smeared with asphalt `dfrom the nozzles, but canbe retained in the nished package for shipment'. The bundles `10 fthen proceed 'to travel over the further `edge of the receptacle, the rolls 13 at that end of the receptacle being positioned to assist Iin the transfer of the bundles 10 to the surface of a traveling belt 18 which is covered with a substantial layer of loose grit as by any suitable means such as conventionally indicated at 19. A shield plate 20 may be provided to prevent the grit from Isliding off the belt as it emerges from the feed line 19. A suitable table or support 21 may be supplied to back up the belt at the point where the bun- A dles are deposited thereon in order to prevent undue sagging of the belt. 'I'he weight of the bundle against the belt will thus serve to press sufficient of the loose grit into contact with the hot sticky coating on the butt edges to surface the coating completely with grit. Thebundle may then be deliveredto a suitable conveyor or packaging machine to bev made up for shipment. To keep the bundles in line yduring their passage through the apparatus, I may provide a pair of guide plates .22 between which the bundles are adapted to travel over the rolls 12, 13 and on the conveyor 18. i

d In the alternative arrangement shown in Figure 3, a bundle of shingles 10 assembled as above described, with the edges of the' shingles in the bundle flush with one another, is immersed in any convenient manner in a tank 30 containing the molten asphalt or otherwaterproof 'coating 4material 31. As here shown, the bundle is immersed to a depth reaching slightly above the upper end of the cut-outs or tab defining slots lll-b. In this way, it will be seen, the butt and side edges as well as the edges of the recesses or tabkdeflning slots are provided with a layer ,of the coating material which serves to seal the free cut edges of the elements which will become vexposed when the elements are laid and causes the shingles in the bundles to adhere to one another around their edges. This adhesion of the shingles to one another in the bundles, increases 'the stiffness 4of the bundle, this being further augmented 'by the layer of coating material which extends upwardly on the outer face of the outermost shingles in the bundle. This layer of 4coating material, indicated at 32, extending upwardly on the outer face'of the bundle and a similar layer` on the outer -face of the shingle at the other end of the bundle, are in effect an integral part of the coating layer on the edges of the shingles in the bundle, and thus rigidify and reinforce the bundle.

Where the shingles being treated are provided on one face with a layer/of mineral grit or other wear resistant material which is to be exposed when they are laid, the outermost shingle in the bundle is reversed, as shown in Figure 4, so as to bring its mineral surfaced side in face to face relationship with the-mineral surface face of the next element in the bundle so that the coating layer 32 which extends upwardly on the face of the outermost elements of the bundle will not be applied to the face of the shingle which will be exposed when laid, but to the underface thereof. Otherwise it would be necessary to discard such shingle owing to the difference in character between its exposed face and the exposed face of the ,other shingles in the bundle. Figure 4 shows the shingles in the bundle arranged with their mineral surfaced faces facing forwardly except the last (frontmost) shingle in the bundle. Thus, when this shingle is reversed,.preliminary to the dipping-of the bundle, the coating layer 32 will be appliedl to its bottom face as shown in Figure 5 without being smeared on the mineral surfaced face thereof, whichis the one to be exposed in laying. When this shingle is removed from the bundle, it is again reversed, so that the coating layer 32 will face downwardly when the shingle is applied or laid on the roof.

The shingle bundle, after immersion in the coating bath as described, is withdrawn in any convenient fashion, and 'any drippings of the coating material may be doctored in a suitable manner, whereupon the bundles may be conducted away to allow the coating material to set. If desired, in order to prevent the bundles from sticking to one another during shipment, surfacing material such as talc or mica,` or other non-adhesive material may be applied to the coated areas, and for this purpose the coated bundle may be conducted over a surfacing beltsuch as shown in Figure 1, or the surfacing may be blown or otherwise conveniently applied to the coated I faces and edges of the bundle.

In ythe modified arrangement shown in Figures 9 to l2, the bundle of' shingles 10-e is'immersed completely in the liquid bath so as to cover not only the butt and side edges of the elements and the edges of the cut-outs which 'will become exposed, but also the top edges and the upper parts of the side edges of the shingles in the bundle.

Here again, as shown in Figure 12, the outermost shingle in the bundle is reversed before the bundle is dipped so as to avoid application of the coating Y material to the mineral surfaced face of the shingle which will be exposed when laid.

By completely immersing the bundle in the coating bath it is thus provided with a jacket of the waterproofing material completely encasing the shingles of the bundle (except for the small area covered by the clamp or other holding means) and substantially reinforcing the same, which jacket may, as already described, .be surfaced with mineral grit or with non-adherent material such as talc or mica.

In using the shingles from the bundle as shown in Figure 4, they may be readily stripped `from the bundle by the consumer by exerting a pull along the upper or side edgesof each shingle successively. Y

Where the bundle is substantially completely jacketed with a coating layer, as in Figure 10, the shingles may be successively stripped from the bundle by exerting a pull along those small portions of their edges which `were covered byclamps or other holding means during the dipping operation In some instances also it may be desirable to leave one of the upper ,corners of the bundle uncoated, as by placing a grid or mask thereover during the coating operation, so that the shingles maybe stripped from the bundle by pulling upon the shingles from the uncoated corner thereof.

The coated bundles as shown in Figures 3 and 10, may be prepared for` shipment by placing them between packaging boards or in cartons, although by virtue of the strengthening effect of the encasing jacket of asphalt, in the form shown in Figure 10, the shingles are sufciently rigidly held in the bundleto enable them to be shipped without packaging boards or containers or with a simple wrapping of paper. I

It will beyseen therefore that I have provided a novel form of shingle bundle in which the shingles are adhered to one another along their edges in the bundle but which can be readily stripped v yfrom the bundle by the consumer as they are used,

each shingle as thus stripped from the bundle having at least thoseedges which will become exposed to the weather in use sealed with a layer of waterproof material such as asphalt and hence free of the defects which arise from the absorption of moisture through the exposedA cut edges of the fibers.

Having thus described an embodiment of my invention, it should be evident to those skilled in the art that many changes and modifications may be made therein without departing from its spirit or scope as dened by the appended claims.

I claim as my invention: 1. As an article of manufacture, a bundle of covering elements comprising a plurality of such elements assembled lin face to face relationship with their edges flush, the elements being held together in the bundle by a layer of asphaltic coating material extending over the butt and side edges of the elements which will be exposed when the elements are laid in overlapping relation, and being adapted to be individually stripped apart from the bundle by the consumer to leave the saidV edge coatings on the'elements intact.

2. As an article of manufacture,- a bundle of roofing elements assembled in face to face relationship with their edges flush, said bundle being jacketed in a layer of asphaltic coating material completely covering all edges of the elements in the bundle the elements being adapted to be stripped from the bundle while leaving said edge coatings thereof intact.

3. As an article of manufacture, a plurality of roong'elements assembled in face toface relationship with their edges ilush, and afcontinuous unbroken layer of asphaltic material extending over the butt and side edges of the elements in the bundle and causing them to adhere to one.

another in the bundle along their edges the elements being adapted to be stripped from the bundle while leaving said edge coatings thereof intact.

4. As an article of manufacture, a'bundle of roofing elements assembled in face to face relationship with their edges flush, and a continuous coating of asphalt encasing the lower part of said bundle whereby to seal the butt and side edges of the elements contained therein, saidelements being adapted to be stripped from the bundle by the consumer while leaving the edge coatings on the separate elements intact.

5. As an article. of manufacture, a plurality of roofing elements assembled in face to face relationship with their edges flush, alayer, of waterproof coating material extending over the faces of the bundle formed by the iiush butt and side edges of the elements contained therein and over the face of the. outermost elements of the bundle the elements being adapted to be stripped from the bundle while leaving said edge coatings thereof intact.

. LESTER KIRSCHBRAUN. 

